Home / 145,165,930.40-217,848,428.40-64,444,829.60

Finding the Fourth Proportional to 145,165,930.40, 217,848,428.40 and 64,444,829.60

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Solution

The fourth proportional to 145,165,930.40, 217,848,428.40 and 64,444,829.60 is: 96,711,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,930.40 : 217,848,428.40 = 64,444,829.60 : x
  2. Step 2: Convert to fraction form
    145,165,930.40/217,848,428.40 = 64,444,829.60/x
  3. Step 3: Cross multiply
    145,165,930.40x = 217,848,428.40 × 64,444,829.60
  4. Step 4: Simplify right side
    145,165,930.40x = 14,039,204,846,865,802
  5. Step 5: Solve for x
    x = 14,039,204,846,865,802/145,165,930.40
  6. Step 6: Final answer
    x = 96,711,430.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.